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Finding the Fourth Proportional to 110,465.20, 165,770.70 and 63,080.20

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Solution

The fourth proportional to 110,465.20, 165,770.70 and 63,080.20 is: 94,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,465.20 : 165,770.70 = 63,080.20 : x
  2. Step 2: Convert to fraction form
    110,465.20/165,770.70 = 63,080.20/x
  3. Step 3: Cross multiply
    110,465.20x = 165,770.70 × 63,080.20
  4. Step 4: Simplify right side
    110,465.20x = 10,456,848,910.14
  5. Step 5: Solve for x
    x = 10,456,848,910.14/110,465.20
  6. Step 6: Final answer
    x = 94,661.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.